8531949634 has 8 divisors (see below), whose sum is σ = 13782380220. Its totient is φ = 3937822896.

The previous prime is 8531949607. The next prime is 8531949641. The reversal of 8531949634 is 4369491358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8529076609 + 2873025 = 92353^2 + 1695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8531949634² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164075929 + ... + 164075980.

Almost surely, 2^8531949634 is an apocalyptic number.

8531949634 is a deficient number, since it is larger than the sum of its proper divisors (5250430586).

8531949634 is a wasteful number, since it uses less digits than its factorization.

8531949634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328151924.

The product of its digits is 2799360, while the sum is 52.

The square root of 8531949634 is about 92368.5532743693. The cubic root of 8531949634 is about 2043.3813614695.

The spelling of 8531949634 in words is "eight billion, five hundred thirty-one million, nine hundred forty-nine thousand, six hundred thirty-four".